Shock-absorbing hinge



`uly 30, 1929. KAN ET AL v1,722,428

SHOCK ABSORBING HINGE Filed Jan. 26, 1927 eATTORNEY- Patented July 30, 1929.

UNITED sra'rigzsl PATENT oFFlcEw.

LOUIS K .AN FLYD J. WILSON, OF WALLA WALLA, WASHINGTON.

' SHOCK-ABSORBING HINGE.

Application filed January26, 1927. Serial No 163,637.

vide'a shock-absorbing hinge that is cheap tomanufacture, requiring a small number 'of parts only, of standard manufacture.

\Vitl1 these and other objects in View, ref- .erence is had to the accompanying drawings in which Fig. l'is a side elevation of a spring hinge showing the application of the shock-absorber; i

Fig. 2 is a back View thereof; Fig. 3 is a front View of one plate of said hinge;

Fig. 4 is a back View of one plate of -the hinge;

Fig. 5 is a sectional elevation of the hinge; Fig. 6 shows a front view of one of the clips before crimping;

Fig. 7 is a similar view to Fig. 6 after crimping;

Fig. 8 is a cross section of one plate of the hinge showing the upright clips;

Fig. 9 shows a front View of the adjusting tit; and

Fig. 10 is a side elevation ofthe bumper in. l p Having reference to the drawings, like numerals refer to like parts throughout the several views and the numeral 1 refers to a hinge, of the usual single-acting spring-hinge type, an'd comprising a male plate 2 and a female plate 3, both of which having .upturned 40 ends or raised portions 4 in which a pin 5,

pivotally joining the two parts, is secured an elevated position by riveting onl the ends in ythe usual manner of such construction, this position of the upturned ends providing lever arms fulcrumed on said hinge pins and having one arm perpendicular to said plates.

In such a hinge a spring 6 is usually positioned about the pin with one of its ends pressing against the female plate and the other end pressing against the male plate, the spring being adapted to open the hinge which movement closes the door to which 1t is attached.

While a sprinv hinge is shown herein it thereto in which case any other means may be employed to close the'door, as a weight or a spring attached to the door and casing.

There a spring hinge is used a barrel 7 may enclose the spring, in which case a slot Swill be cut therein to provide for the device, which will now be explained.

Attached to, or made a part of the hinge, is the shock-absorber 9 consisting of an outer uplurned tit 10 formed from the outer edge integral with the plate and are positioned in l line and are provided With an aligned set of slot 15 the tits and their slots forming raised supports i-n which is slidably mounted, in parallel relation to the pla-te, 'a bumper pin 16.

The bumperv pin is threadedpart way to provide. for a nut 17 for adjustment purposes, the nut normally resting against the adjusting tit 12 and held thereagainst by a spring 18 interposed between the nut .and the Outer upturned tit.

y The pin has a rounded bumper head 19 on one end and is slotted at the other end to receive a screw-driver by which the bumper head may be advanced or retracted by rotating the pin in the nut.

Now the outer and inner tits are slotted to provide relatively long prongs 2() and the pin to complete the opening (the opening of the v hinge being ythe equivalent of closing the door) the pin will be driven outward by engagement with the bumper andthe movement `of the lever arms about the vhinge pin,

the nut then acting against the resistance of the spring to act as a cushion and preuent the door slamming.

By the above arrangement the bumper is exposed on top of the plate, and the adjust.- ing means, formed integral with the pin, 1s likewise exposed for accessibility.

In use the hinge is attached to a door` and easing in the usual manner, as by screws and, p

if a plain hinge is used, a spring will be attached to the door to maintain it in` the closed position, or if a spring hinge is used the spring of the hinge will close the door.

Now with the door open the spring 6 will be under its greatest tension -wh'en it will have a. tendency to cause the door to slam shut upon being, released.

With this device incorporatedin a hinge, when the door has nearly completed its closing movement, the edge, or bumper, of one plate of the hinge will strike the bumper head, as a result of the lever above mentioned, when, the bumper-pin being yieldingly mounted, the pin lwill yield and will thus cause-the door to slow up its rapid movement and @finally come to rest without shock. In case the Weight of the doors vary, or a spring is :stiffer in ,one hinge than in the other, adjustment maybe accomplished by a screw-driver' Without removing the hinge from the .door,` thethreadedand exposed bumper makingfforpreci'se convenient adjustment ofthe bumper.

The word hinge is used herewith to differentiate between a hinge applicable to the vsurface, and having its surface exposed, and a butt adapted to be secured to the edge otl a door, to be more or less concealed.

Having thus described our invention, we

arms formed by said upturned ends, a bumper provided by the inner edge of one of said plates, raised supports formed integral with the other of said plate, a bumper pin slidingly and yieldingly mounted in said sup-v ports to register with said bumper, for operation by the movement of said lever arms,

and an exposed adjusting means positioned and adapted yto adjust the tension on the bumper pin without removing said hinge.

In testimony whereof we aiix our signatures.

LOUIS KAN. FLOYD J. WILSON. 

